He who walks straight rarely falls.
In rivers, the water that you touch is the last of what has passed and the first of that which comes; so with present time.
...The world wouldn't be the world, without trouble.
Experience never misleads; what you are misled by is only your judgment, and this misleads you by anticipating results from experience of a kind that is not produced by your experiments.
Water is the driving force of all nature.
We know more about the movement of celestial bodies than about the soil underfoot.
Common Sense is that which judges the things given to it by other senses.
As every divided kingdom falls, so every mind divided between many studies confounds and saps itself.
The human foot is a masterpiece of engineering and a work of art.
Threats alone, are the weapons of the threatened man.
Poor is the man who desires a lot
One can have no smaller or greater mastery than mastery of oneself.
The young man should first learn perspective, then the proportions of objects. Next, copy work after the hand of a good master, to gain the habit of drawing parts of the body well; and then to work from nature, to confirm the lessons learned.
Music... is the shaping of the invisible.
Lust is the cause of generation.
Human subtlety will never devise an invention more beautiful, more simple or more direct than does nature because in her inventions nothing is lacking, and nothing is superfluous.
Thou, O God, dost sell us all good things at the price of labor.
There is no result in nature without a cause; understand the cause and you will have no need of the experiment.
A well-spent day brings happy sleep.
Whoever does not respect life, does not deserve it.
Wisdom is the daughter of experience
Great love is born of great knowledge of the thing that is loved, and if you do not know it, you can love it little or not at all.
He who is fixed to a star does not change his mind.
It is the infinite alone that cannot be attained, for if it could it would become finite.
Strive to preserve your health; and in this you will better succeed in proportion as you keep clear of the physicians, for their drugs are a kind of alchemy concerning which there are no fewer books than there are medicines.
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